BOEEA.L PROVINCE. 



61 



•Crenella nigra. 



* „ discors, L. 



* „ decussata (glandula^ Tot.) 

 Pecten Islandicus. 



? Ostrea ediilis (borealis, Lam. ?) 

 *Anoinia ephippium. 



* „ aculeata. 

 „ squamula? 



•Terebratulina caput-serpentis. 

 *Eli5Tichonella psittacea. 



*Dendronotus arborescens. 



Polycera Lessonii ? 

 ? AmphisphjTa hyalina (debilis ?) 



Cyliclma alba (triticea, C.) 



* „ obtusa (pertenuis). 

 *Philine quadrata (fonnosa, St.) 



•Cbitou cinereus. 



* „ marmoreus. 



* „ ruber. 



* „ Isevis. 



* „ asellus. 



* „ albus. 

 ♦Dentalium (entale, L,?) 

 PLepeta cseca (candida, G.) 

 *Acm3ea testudinalis (amoena, S.) 

 ♦Puncturella Noachina. 



*Adeorbis divisus ( = Skeneaserpuloides). 

 Margarita cinerea. 



* „ costulata?,(Skenea). 



* „ helicina. 



*Margarita jindulata. 



* „ alabastrum (= occidentalis?) 

 Littorina groenlandica. 



* „ tenebrosa (vestita). 

 „ palliata? 



*Lacuna vincta (divaricata). 



* „ puteolus (Montagui). 

 *Skenea planorbis. 

 *Velutina laevigata. 



„ zonata. 

 *LameUaria perspicua. 

 *Natica helicoides. 



„ clausa. 



* „ pusilla. 

 *Scalaria groenlandica. 



(lanthina communis). 



Odostomia producta. 



Cancellaria (admete) viridula. 

 *Trichotropis borealis. 

 *Fusus antiquus (tomatus). 



* „ island. CU3. 



* „ propinquus. 

 „ ? rosaceus. 



*Trophon muricatns. 



* „ clathratus. 



„ scalariformis. 



„ harpularius. 

 *Purpura lapillus. 

 *Buccinum undatum. 



* „ (Conjinella) Dalei. 

 *Bela turricula. 



* „ Treveiyana. 



* „ nif a (Vahlii) ? 



* Ommastrephes sagittatus is also common to both, sides of the 

 North Atlantic. The genera, 



Machcera, Glycimeris, Cardita, and 



Solemya, Mesodesma {deauratum), Crepidula, 



are peculiar to the American side of the Boreal Province. 



Several other species now living on the coast of the U. States 

 occur fossil in England : e. g, Trophon cinereus^ Say., is believed 

 to be the Fusus Forhesi, Strickland, of the Isle of Man ; others 

 are marked in the Arctic list. 



III. Celtic Pboyince. 



The Celtic province, as described by Prof. E. Eorbes, includes 

 the British island coasts, Denmark, Southern Sweden, and the 

 Baltic* The fauna of this region (which includes the principal 



* -The great work of Messrs. Forbes and Hanley is the standard text book on 

 British Testacea. A new work on British MoUusca is now being prepared by Mr. J. 



